Dental floss holder



FIG. 1 is a perspective view of a dental floss holder showing my newdesign, the broken lines are for illustrative purposes only;

FIG. 2 is an end elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view thereof; and,

FIG. 5 is a top plan view thereof.

The ornamental design for a dental floss holder, as shown and described.